18708245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 24047280

約数和(自身を除く): 5339035

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2473, 7565, 12365, 42041, 210205, 220097, 1100485, 3741649, 18708245]

約数ペア:

[(1, 18708245), (5, 3741649), (17, 1100485), (85, 220097), (89, 210205), (445, 42041), (1513, 12365), (2473, 7565)]